Sleeve protector



FIG. 1 is a perspective view of a sleeve protector showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof, the bottom view is a mirror image thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof. 

The ornamental design for a sleeve protector, as shown and described. 